52505402169 has 16 divisors (see below), whose sum is σ = 76376678400. Its totient is φ = 31819295760.

The previous prime is 52505402153. The next prime is 52505402177. The reversal of 52505402169 is 96120450525.

52505402169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52505402169 - 2⁴ = 52505402153 is a prime.

It is a super-2 number, since 2×52505402169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52505402129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535564 + ... + 625970.

It is an arithmetic number, because the mean of its divisors is an integer number (4773542400).

Almost surely, 2^52505402169 is an apocalyptic number.

It is an amenable number.

52505402169 is a deficient number, since it is larger than the sum of its proper divisors (23871276231).

52505402169 is a wasteful number, since it uses less digits than its factorization.

52505402169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108020.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 52505402169 in words is "fifty-two billion, five hundred five million, four hundred two thousand, one hundred sixty-nine".